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<a name="1" href="#1">1</a>   <em class="comment">/*</em>
<a name="2" href="#2">2</a>   <em class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="3" href="#3">3</a>   <em class="comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a name="4" href="#4">4</a>   <em class="comment"> * this work for additional information regarding copyright ownership.</em>
<a name="5" href="#5">5</a>   <em class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="6" href="#6">6</a>   <em class="comment"> * (the "License"); you may not use this file except in compliance with</em>
<a name="7" href="#7">7</a>   <em class="comment"> * the License.  You may obtain a copy of the License at</em>
<a name="8" href="#8">8</a>   <em class="comment"> * </em>
<a name="9" href="#9">9</a>   <em class="comment"> *      <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="10" href="#10">10</a>  <em class="comment"> * </em>
<a name="11" href="#11">11</a>  <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="12" href="#12">12</a>  <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="13" href="#13">13</a>  <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="14" href="#14">14</a>  <em class="comment"> * See the License for the specific language governing permissions and</em>
<a name="15" href="#15">15</a>  <em class="comment"> * limitations under the License.</em>
<a name="16" href="#16">16</a>  <em class="comment"> */</em>
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <strong>package</strong> org.apache.log4j.util;
<a name="19" href="#19">19</a>  
<a name="20" href="#20">20</a>  <strong>import</strong> java.io.BufferedReader;
<a name="21" href="#21">21</a>  <strong>import</strong> java.io.FileNotFoundException;
<a name="22" href="#22">22</a>  <strong>import</strong> java.io.FileReader;
<a name="23" href="#23">23</a>  <strong>import</strong> java.io.IOException;
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../org/apache/log4j/util/Compare.html">Compare</a> {
<a name="26" href="#26">26</a>  
<a name="27" href="#27">27</a>    <strong>static</strong> <strong>final</strong> <strong>int</strong> B1_NULL = -1;
<a name="28" href="#28">28</a>    <strong>static</strong> <strong>final</strong> <strong>int</strong> B2_NULL = -2;
<a name="29" href="#29">29</a>    
<a name="30" href="#30">30</a>    <strong>static</strong> 
<a name="31" href="#31">31</a>    <strong>public</strong>
<a name="32" href="#32">32</a>    <strong>boolean</strong> compare(String file1, String file2) throws FileNotFoundException, 
<a name="33" href="#33">33</a>                                                              IOException {
<a name="34" href="#34">34</a>      BufferedReader in1 = <strong>new</strong> BufferedReader(<strong>new</strong> FileReader(file1));
<a name="35" href="#35">35</a>      BufferedReader in2 = <strong>new</strong> BufferedReader(<strong>new</strong> FileReader(file2));
<a name="36" href="#36">36</a>      
<a name="37" href="#37">37</a>      String s1;
<a name="38" href="#38">38</a>      <strong>int</strong> lineCounter = 0;
<a name="39" href="#39">39</a>      <strong>while</strong>((s1 = in1.readLine()) != <strong>null</strong>) {
<a name="40" href="#40">40</a>        lineCounter++;
<a name="41" href="#41">41</a>        String s2 = in2.readLine();
<a name="42" href="#42">42</a>        <strong>if</strong>(!s1.equals(s2)) {
<a name="43" href="#43">43</a>  	System.out.println(<span class="string">"Files ["</span>+file1+<span class="string">"] and ["</span>+file2+<span class="string">"] differ on line "</span> 
<a name="44" href="#44">44</a>  			   +lineCounter);
<a name="45" href="#45">45</a>  	System.out.println(<span class="string">"One reads:  ["</span>+s1+<span class="string">"]."</span>);
<a name="46" href="#46">46</a>  	System.out.println(<span class="string">"Other reads:["</span>+s2+<span class="string">"]."</span>);
<a name="47" href="#47">47</a>  	<strong>return</strong> false;
<a name="48" href="#48">48</a>        }
<a name="49" href="#49">49</a>      }
<a name="50" href="#50">50</a>      
<a name="51" href="#51">51</a>      <em class="comment">// the second file is longer</em>
<a name="52" href="#52">52</a>      <strong>if</strong>(in2.read() != -1) {
<a name="53" href="#53">53</a>        System.out.println(<span class="string">"File ["</span>+file2+<span class="string">"] longer than file ["</span>+file1+<span class="string">"]."</span>);
<a name="54" href="#54">54</a>        <strong>return</strong> false;
<a name="55" href="#55">55</a>      }
<a name="56" href="#56">56</a>      
<a name="57" href="#57">57</a>      <strong>return</strong> <strong>true</strong>;
<a name="58" href="#58">58</a>    }
<a name="59" href="#59">59</a>    
<a name="60" href="#60">60</a>  }
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